Eurozone crisis – French President Nicolas Sarkozy and German Chancellor Angela Merkel have been under pressure to resolve the euro crisis.
Spiralling Greek debt – A demonstrator is arrested in Athens during a protest rally last October against austerity cuts imposed to tackle Greece's debt crisis
The Arab Spring – Tens of thousands of Egyptians wave national flags during a rally to protest against military rule in Cairo's Tahrir Square last November.
Occupy Wall Street – A man is confronted by police as New York City officials clear the 'Occupy Wall Street' protest from Zuccotti Park last November.
Occupy goes global – A member of Anonymous UK at the Occupy London camp outside St. Paul's Cathedral in London last November.